Finding the Fourth Proportional to 1,269,786.10, 1,752,368.61 and 696,821.62
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Solution
The fourth proportional to 1,269,786.10, 1,752,368.61 and 696,821.62 is: 961,648.84
Step by Step Solution
- Step 1: Write the proportion equation
1,269,786.10 : 1,752,368.61 = 696,821.62 : x - Step 2: Convert to fraction form
1,269,786.10/1,752,368.61 = 696,821.62/x - Step 3: Cross multiply
1,269,786.10x = 1,752,368.61 × 696,821.62 - Step 4: Simplify right side
1,269,786.10x = 1,221,088,333,657.35 - Step 5: Solve for x
x = 1,221,088,333,657.35/1,269,786.10 - Step 6: Final answer
x = 961,648.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.